<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <title>Title</title>
</head>
<body>
<!-- TO DO APP -->
<div id="app">
    <!-- Add item -->
    <div>
        <label for="new-item">
            <input
                    id="new-item"
                    placeholder="添加新的项目"
                    type="text"
            />
        </label>
        <button id="add-btn">ADD</button>
    </div>
    <!-- item list -->
    <ul id="item-list"></ul>
    <!-- item count -->
    <div class="item-count-wrapper"><span id="item-count"></span></div>
</div>
<script src="./js/3.js"></script>
</body>
</html>
